Home / 25,646.79-35,386.33-15,034.37

Finding the Fourth Proportional to 25,646.79, 35,386.33 and 15,034.37

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Solution

The fourth proportional to 25,646.79, 35,386.33 and 15,034.37 is: 20,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,646.79 : 35,386.33 = 15,034.37 : x
  2. Step 2: Convert to fraction form
    25,646.79/35,386.33 = 15,034.37/x
  3. Step 3: Cross multiply
    25,646.79x = 35,386.33 × 15,034.37
  4. Step 4: Simplify right side
    25,646.79x = 532,011,001.23
  5. Step 5: Solve for x
    x = 532,011,001.23/25,646.79
  6. Step 6: Final answer
    x = 20,743.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.